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fix a bug in Horner heuristic

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Signed-off-by: Lev Nachmanson <levnach@hotmail.com>
This commit is contained in:
Lev Nachmanson 2020-04-23 15:58:53 -07:00
parent 8f297666fe
commit 8921ed56b5
16 changed files with 42 additions and 58 deletions
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6
src/math/lp/horner.cpp
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@ -48,8 +48,12 @@ bool horner::row_is_interesting(const T& row) const {
c().clear_active_var_set();
for (const auto& p : row) {
lpvar j = p.var();
if (!c().is_monic_var(j))
if (!c().is_monic_var(j)) {
if (c().active_var_set_contains(j))
return true;
c().insert_to_active_var_set(j);
continue;
}
auto & m = c().emons()[j];
for (lpvar k : m.vars()) {